Hair brush



FIG. 1 is a front view of a hair brush;

FIG. 2 is a back view of the hair brush;

FIG. 3 is a left side view of the hair brush;

FIG. 4 is a top view of the hair brush;

FIG. 5 is a bottom view of the hair brush;

FIG. 6 is a perspective view of the hair brush; and,

FIG. 7 is another perspective view of the hair brush.

The right side view is a mirror image of the left side. Any broken line illustration of environmental structure in the drawing is not part of the design sought to be patented. 

CLAIM The ornamental design for a hair brush, as shown and described. 